NBDHE REVIEW 667 PRACTICE EVALUATION
2026 QUESTION BANK FULL SOLUTION SET
◉ Initially increase the demand for dental services.
Answer: It can safely be assumed that the growth in dental
prepayment plans in the US will ___________.
◉ Prevalence.
Answer: The formula below is descriptive of what epidemiological
rate?
# of existing cases of a disease/ total population
◉ Both statements are false.
Answer: Susceptibility to periodontitis increases with age, but not as
part of the aging process. Dentate or partially dentate elderly
persons are at an extreme risk for total tooth loss. T or F
◉ First statement is true; second statement is false.
Answer: Gingivitis precedes periodontitis. Areas of the mouth
affected by gingivitis will most likely become affected in alter years
by periodontitis.
,◉ Identify community needs.
Answer: The first step in establishing a community health program
is to _____________.
◉ Pilot study.
Answer: Conducting a trial run of the planned study on a small
sample is the purpose of a/an ____________.
◉ Stratified random sample.
Answer: Subjects randomly chosen from a previously subdivided
population are an example of a __________________.
◉ def.
Answer: What caries index applies to primary dentition?
◉ First statement is prevalence of HIV; second statement is
incidence of HIV.
Answer: There are 10 million HIV positive patients worldwide. A
new case occurs every 15-20 seconds.
◉ Health department.
Answer: At the local level, which of the following should be
contacted for resources and facilities for a dental health screening
program?
, ◉ Most of the scores are between 7-9.
Answer: A dental hygienist gives a quiz to determine effectiveness of
instruction. The mean score is 8 and the standard deviation is 1.
What interpretation can be made?
◉ Incidence of dental caries.
Answer: A survey was conducted to determine how many new
carious lesions develop during the school year in the permanent
teeth of 6th grade children. Results of the survey provide a measure
of what?
◉ Both statements are true.
Answer: Fluoridation has several mechanisms for caries inhibition.
Included are enhancement of remineralization of enamel, inhibition
of glycolysis, incorporation of fluoride into the enamel
hydroxyapatite crystal, and bacteriocidal action. T or F
◉ 3, 8, 14, 19, 24, 30.
Answer: The "Ramfjord teeth" commonly used to simplify dental
indexes include which teeth?
◉ DMFT.
2026 QUESTION BANK FULL SOLUTION SET
◉ Initially increase the demand for dental services.
Answer: It can safely be assumed that the growth in dental
prepayment plans in the US will ___________.
◉ Prevalence.
Answer: The formula below is descriptive of what epidemiological
rate?
# of existing cases of a disease/ total population
◉ Both statements are false.
Answer: Susceptibility to periodontitis increases with age, but not as
part of the aging process. Dentate or partially dentate elderly
persons are at an extreme risk for total tooth loss. T or F
◉ First statement is true; second statement is false.
Answer: Gingivitis precedes periodontitis. Areas of the mouth
affected by gingivitis will most likely become affected in alter years
by periodontitis.
,◉ Identify community needs.
Answer: The first step in establishing a community health program
is to _____________.
◉ Pilot study.
Answer: Conducting a trial run of the planned study on a small
sample is the purpose of a/an ____________.
◉ Stratified random sample.
Answer: Subjects randomly chosen from a previously subdivided
population are an example of a __________________.
◉ def.
Answer: What caries index applies to primary dentition?
◉ First statement is prevalence of HIV; second statement is
incidence of HIV.
Answer: There are 10 million HIV positive patients worldwide. A
new case occurs every 15-20 seconds.
◉ Health department.
Answer: At the local level, which of the following should be
contacted for resources and facilities for a dental health screening
program?
, ◉ Most of the scores are between 7-9.
Answer: A dental hygienist gives a quiz to determine effectiveness of
instruction. The mean score is 8 and the standard deviation is 1.
What interpretation can be made?
◉ Incidence of dental caries.
Answer: A survey was conducted to determine how many new
carious lesions develop during the school year in the permanent
teeth of 6th grade children. Results of the survey provide a measure
of what?
◉ Both statements are true.
Answer: Fluoridation has several mechanisms for caries inhibition.
Included are enhancement of remineralization of enamel, inhibition
of glycolysis, incorporation of fluoride into the enamel
hydroxyapatite crystal, and bacteriocidal action. T or F
◉ 3, 8, 14, 19, 24, 30.
Answer: The "Ramfjord teeth" commonly used to simplify dental
indexes include which teeth?
◉ DMFT.
